package site.yunnong.atvris.security.component;

import com.alibaba.fastjson.JSON;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import site.yunnong.atvris.common.api.ResultCodeEnum;
import site.yunnong.atvris.common.api.ResultVO;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 当访问接口没有权限时，返回自定义的json结果
 * @author JinghaoZhang
 * @date 2021年-04月-08日
 */
public class RestfulAccessDeniedHandler implements AccessDeniedHandler {
    @Override
    public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException e) throws IOException, ServletException {
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Cache-Control","no-cache");
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        response.getWriter().println(JSON.toJSONString(new ResultVO<>().fail(ResultCodeEnum.ERROR_PERMISSION_DENIED, e.getMessage())));
        response.getWriter().flush();
    }
}
